Question

resolva as expressoes de equaçao do premeiro grau 1-3x=17-2x b)x+1+2x=1-3x c)5+3x=_14 d)7x+7=0

Answer 1

Olá,

a)
3x=17-2x
3x+2x=17
5x=17
x=17/5

b)
x+1+2x=1-3x
3x+3x=0
6x=0
x=0

c)
5+3x=14
3x=14-5
3x=9
x=9/3
x=3

d)
7x+7=0
7x=-7
x=-7/7
x=-1